diff options
Diffstat (limited to 'src/main/java/org/onap/aai/spike/util/FileWatcher.java')
-rw-r--r-- | src/main/java/org/onap/aai/spike/util/FileWatcher.java | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/main/java/org/onap/aai/spike/util/FileWatcher.java b/src/main/java/org/onap/aai/spike/util/FileWatcher.java new file mode 100644 index 0000000..6bbb228 --- /dev/null +++ b/src/main/java/org/onap/aai/spike/util/FileWatcher.java @@ -0,0 +1,45 @@ +/** + * ============LICENSE_START======================================================= + * org.onap.aai + * ================================================================================ + * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved. + * Copyright © 2017-2018 Amdocs + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ +package org.onap.aai.spike.util; + +import java.io.File; +import java.util.TimerTask; + +public abstract class FileWatcher extends TimerTask { + private long timeStamp; + private File file; + + public FileWatcher(File file) { + this.file = file; + this.timeStamp = file.lastModified(); + } + + public final void run() { + long timeStamp = file.lastModified(); + + if ((timeStamp - this.timeStamp) > 500) { + this.timeStamp = timeStamp; + onChange(file); + } + } + + protected abstract void onChange(File file); +} |